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Q:

heater fan on 1995 GMC Jimmy

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
the heater fan does not work all the time . When it does not run it will not run at any speed. Sometimes it will run and at various speeds. It has been doing this for some time now. Bill
(2) Answers
sounds like your resister is going out or you have a wiring issue, check the resister first if that fixes it your good to go
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